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2010
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GS 350 AWD
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Repair and Diagnosis
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External Pages
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Different car
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Section 153 (Engine Control (SFI) System (2GR-FE) (DTCS P0365 - U0101 & Circuit Tests))
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SFI System
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DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430: Catalyst System Efficiency Below Threshold (Bank 2)
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
WARNING:
This page is about a different car, the 2009 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
Oxygen Storage Capacity (OSC) of catalyst
Less than 0.078 g